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Windows Computer Use Cannot Enumerate Any Application Windows #37255

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Windows Computer Use Cannot Enumerate Any Application Windows#37255
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appIssues related to the Codex desktop appbugSomething isn't workingcomputer-usewindows-osIssues related to Codex on Windows systems

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@halvorsondonna53-alt
halvorsondonna53-alt
opened on Aug 6, 2026

标题：Windows Computer Use 无法枚举任何应用窗口

Computer Use 无法控制任何 Windows 应用，包括记事本、微信、钉钉和网易云音乐。

稳定复现错误：

EnumWindows failed: 系统找不到指定的路径。 (0x80070003)

已经完成以下排查：

  • ChatGPT Desktop 已是 Microsoft Store 提供的最新版
  • 已执行覆盖修复安装
  • 已卸载并重新安装 Computer Use 插件
  • Computer Use Server 和 Skill 均已启用
  • 已重建 cua_node 运行时缓存
  • Windows 桌面处于活动、已解锁状态
  • 重启 ChatGPT Desktop 后仍然复现
  • sky.list_apps() 和 sky.list_windows() 均失败

系统：Windows，Asia/Shanghai
故障日期：2026-08-06

请协助检查 Windows Computer Use 运行时的 EnumWindows 路径解析或窗口枚举问题。

Activity

  1. github-actions
    added
    bugSomething isn't working
    appIssues related to the Codex desktop app
    windows-osIssues related to Codex on Windows systems
    computer-use
    on Aug 6, 2026
  2. github-actions
    changed the title [-]Windows Computer Use 无法枚举任何应用窗口[/-] [+]Windows Computer Use Cannot Enumerate Any Application Windows[/+] on Aug 6, 2026

  3. github-actions commented on Aug 6, 2026

    @github-actions
    github-actionsBot
    on Aug 6, 2026 – with GitHub Actions
    Contributor

    English translation:

    Title: Windows Computer Use Cannot Enumerate Any Application Windows

    Computer Use cannot control any Windows applications, including Notepad, WeChat, DingTalk, and NetEase Cloud Music.

    Consistently reproducible error:

    EnumWindows failed: The system cannot find the path specified. (0x80070003)

    The following troubleshooting steps have already been completed:

    • ChatGPT Desktop is already the latest version provided by the Microsoft Store
    • An in-place repair installation has been performed
    • The Computer Use plugin has been uninstalled and reinstalled
    • Computer Use Server and Skill are both enabled
    • The cua_node runtime cache has been rebuilt
    • The Windows desktop is active and unlocked
    • The issue still occurs after restarting ChatGPT Desktop
    • sky.list_apps() and sky.list_windows() both fail

    System: Windows, Asia/Shanghai
    Date of issue: 2026-08-06

    Please help investigate the EnumWindows path resolution or window enumeration issue in the Windows Computer Use runtime.

  4. github-actions commented on Aug 6, 2026

    @github-actions
    github-actionsBot
    on Aug 6, 2026 – with GitHub Actions
    Contributor

    Potential duplicates detected. Please review them and close your issue if it is a duplicate.

    Powered by Codex Action

  5. jiangyuShiro commented on Aug 6, 2026

    @jiangyuShiro
    jiangyuShiro
    on Aug 6, 2026

    I can provide a related same-build observation from another Windows task: attempting to open NetEase Cloud Music failed before any reliable desktop app interaction, and retries plus a Computer Use reset did not make sky.list_apps() or sky.list_windows() usable. The error in that task was spawn EPERM, not 0x80070003, so I am not claiming an identical failure mode; it may be an earlier-stage failure in the same Windows helper/enumeration path. Environment: Codex Desktop 26.730.8199.0, Computer Use plugin 26.730.61639, @oai/sky 0.6.2, Windows x64.

  6. mickeyhk2012 commented on Aug 6, 2026

    @mickeyhk2012
    mickeyhk2012
    on Aug 6, 2026

    我和你遇到的问题一摸一样,请问你解决了吗?

  7. bobleer commented on Aug 6, 2026

    @bobleer
    bobleer
    on Aug 6, 2026

    这个已经在 #37043 里定位得比较清楚了：不是某个文件夹没建，也不是重装能解决。helper 跑在 CodexSandboxOffline 的 private desktop 里，EnumWindows 看到的是隔离桌面，不是你正在用的桌面；外层又把残留的 GetLastError 包成了 0x80070003。

    有人临时设了：

    [windows]
sandbox = "elevated"
sandbox_private_desktop = false

    完全退出再启动后，list_windows() 能恢复，但截图接着会报 0x80070424，而且关 private desktop 会削弱隔离，所以这只能用来验证根因，不算真正修好。

    BitFun 的 Windows Computer Use 这块正好可以给上游当个实现对照：桌面宿主直接 EnumWindows，先拿 hwnd/pid/title，再 best-effort 解析 exe；解析失败就回退窗口标题，不让一次路径失败把整个 list_apps 带崩。代码就这一小段：https://github.com/GCWing/BitFun/blob/e640aa402023792a5fd6568f445ece1a81013085/src/apps/desktop/src/computer_use/windows_list_apps.rs#L51-L75

    长期修法还是把窗口枚举和截图放到可信的交互桌面 broker，模型写的 shell 继续留在 private desktop。

  8. bulpai commented on Aug 7, 2026

    @bulpai
    bulpai
    on Aug 7, 2026

    I can reproduce the same Windows Computer Use failure on a newer build, and it is still present after a clean reinstall.

    Environment

    • ChatGPT/Codex app: 26.803.5235.0
    • Computer Use plugin: 26.803.41515
    • Windows 11 Home 25H2, build 26200.8875
    • Windows x64

    History / behavior

    • Computer Use worked normally on this same PC approximately three weeks ago. It successfully controlled and read desktop applications, including KakaoTalk.
    • The initial reproducible failure was EnumWindows failed ... (0x80070003), matching this issue.
    • During later troubleshooting the failure also appeared as EnumWindows failed / Access denied (0x80070005).
    • Other plugins such as Gmail work normally, so this does not appear to be a general plugin failure.

    Troubleshooting already performed

    • Completely uninstalled and clean-installed the Windows app.
    • Reinstalled/refreshed Computer Use and recreated the cua_node runtime.
    • Rebooted Windows and confirmed the desktop was active and unlocked.
    • Confirmed Computer Use server/skill and app access are enabled.
    • Verified the Computer Use/sandbox processes are created and remain in the same interactive Windows session.
    • Tested the Window Station/Desktop ACL hypothesis; granting the current Computer Use logon SID access did not change the failure, so I reverted/cleared that test via reboot.

    The issue still reproduces with app 26.803.5235.0 and Computer Use 26.803.41515.

    The recent discussion about the Computer Use helper running on a private desktop looks consistent with what I observed: changing WinSta0/Default ACLs alone did not resolve enumeration. I have stopped making further Windows permission changes and can provide additional diagnostics if useful.

  9. Explorertruck commented on Aug 7, 2026

    @Explorertruck
    Explorertruck
    on Aug 7, 2026 – with ChatGPT Codex Connector

    Confirming the same issue on a second Windows installation. This is fully reproducible and blocks all Computer Use functionality.

    Environment:

    • Codex Desktop: 26.803.5235.0
    • Computer Use plugin: 26.803.41515
    • @oai/sky: 0.6.2
    • Windows: 25H2, build 26200.8655, x64
    • Package: OpenAI.Codex_26.803.5235.0_x64__2p2nqsd0c76g0
    • Package status: Ok
    • Microsoft Store reports no newer update available

    Exact failures:

    sky.list_apps()
EnumWindows failed: The system cannot find the path specified. (0x80070003)

    A fresh Node REPL followed by a direct launch attempt also fails:

    sky.launch_app({ app: "notepad.exe" })
GetCursorPos failed: Access is denied. (0x80070005)

    Additional API mismatch:

    • The bundled Computer Use skill requires sky.documentation("guidance" | "api" | "confirmations").
    • The active sky object has no documentation method.

    Recovery attempts already completed without improvement:

    • Windows Repair / MSIX package re-registration
    • Multiple prior full application reinstalls
    • Full machine restart
    • Computer Use plugin remove/reinstall
    • cua_node runtime cache reset and regeneration attempt
    • Clean Node REPL initialization
    • Rebuilt and re-registered openai-bundled marketplace from the official MSIX package instead of the temporary .codex\.tmp source
    • Verified computer-use@openai-bundled is installed and enabled

    Not completed because the native helper fails first:

    • Notepad launch confirmation
    • Window acquisition
    • Screenshot capture
    • Approval/elicitation validation

    Please escalate this urgently to the Windows Computer Use/runtime owners. The public API instructions and shipped runtime are also out of sync, and the issue remains after all supported repair paths.

  10. SpoofingMyName commented on Aug 8, 2026

    @SpoofingMyName
    SpoofingMyName
    on Aug 8, 2026

    Same issue, feedback ID - 019fe2c0-f468-73b3-b3bf-bccf44f2d8af

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